Connection successful
<h2>Clients Management System</h2>

<form action="insert.php" method="POST">
    Username: <input type="text" name="username" required><br><br>
    Phone: <input type="text" name="phone" required><br><br>
    Email: <input type="email" name="email" required><br><br>
    City: <input type="text" name="city" required><br><br>
    <button type="submit">Add Client</button>
</form>

<hr>

<table border="1" cellpadding="5">
    <tr>
        <th>ID</th>
        <th>Username</th>
        <th>Phone</th>
        <th>Email</th>
        <th>City</th>
        <th>Action</th>
    </tr>

    
</table>